Dr Carey Michele York Best, MD - Medicare Obstetrics/gynecology in Waltham, MA

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Dr Carey Michele York Best, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Waltham, Massachusetts. She went to Harvard Medical School and graduated in 1989 and has 35 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice Massachusetts General Physicians Organization Inc, The General Hospital Corporation and her current practice location is 40 2nd Ave, Ste 400, Waltham, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (781) 697-2000.

Dr Carey Michele York Best is licensed to practice in Massachusetts (license number 76970) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1194707836.

Contact Information

Dr Carey Michele York Best, MD
40 2nd Ave, Ste 400,
Waltham, MA 02451-1132
(781) 697-2000
(781) 697-2010

Map and Direction




Physician's Profile

Full NameDr Carey Michele York Best
GenderFemale
SpecialityObstetrics/gynecology
Experience35 Years
Location40 2nd Ave, Waltham, Massachusetts
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Carey Michele York Best attended and graduated from Harvard Medical School in 1989
  NPI Data:
  • NPI Number: 1194707836
  • Provider Enumeration Date: 11/17/2005
  • Last Update Date: 12/09/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 6901881788
  • Enrollment ID: I20040624000369

Medical Identifiers

Medical identifiers for Dr Carey Michele York Best such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194707836NPI-NPPES
3109372MedicaidMA
727692OtherMATUFTS HEALTH PLAN
J13953OtherMABCBS MA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 76970 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Massachusetts General HospitalBoston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Massachusetts General Physicians Organization Inc24663658203084
The General Hospital Corporation65078038061058

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Carey Michele York Best allows following entities to bill medicare on her behalf.
Entity NameMassachusetts General Physicians Organization Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801874573
PECOS PAC ID: 2466365820
Enrollment ID: O20031111000434
Entity NameThe General Hospital Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023049236
PECOS PAC ID: 6507803806
Enrollment ID: O20080313000351

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Carey Michele York Best is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Carey Michele York Best, MD
Po Box 9142,
Charlestown, MA 02129-9142

Ph: (617) 724-0287		Dr Carey Michele York Best, MD
40 2nd Ave, Ste 400,
Waltham, MA 02451-1132

Ph: (781) 697-2000

Reviews and Comments


Obstetrics & Gynecology Doctors in Waltham, MA

Dr. Merle Jay Berger, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 130 2nd Ave, Boston Ivf - The Waltham Center, Waltham, MA 02451
Phone: 781-434-6500    Fax: 781-434-6501
Dr. Maureen French, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 52 2nd Ave, Waltham, MA 02451
Phone: 781-487-3860    
Sara Elizabeth Arian, MD, MSC
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 130 Second Ave, Waltham, MA 02451
Phone: 714-656-6877    
Dr. Sudha G Mehta, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 20 Hope Ave, #309, Waltham, MA 02453
Phone: 781-891-8800    Fax: 781-899-7234
Dr. Rita M. Sneeringer, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 130 2nd Ave, Boston Ivf - The Waltham Center, Waltham, MA 02451
Phone: 781-434-6500    Fax: 781-434-6501
Dr. Alan Stewart Penzias, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 130 2nd Ave, Boston Ivf - The Waltham Center, Waltham, MA 02451
Phone: 781-434-6500    Fax: 781-434-6501

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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